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Finding the Fourth Proportional to 186,218.67, 256,987.13 and 101,341.11

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Solution

The fourth proportional to 186,218.67, 256,987.13 and 101,341.11 is: 139,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,218.67 : 256,987.13 = 101,341.11 : x
  2. Step 2: Convert to fraction form
    186,218.67/256,987.13 = 101,341.11/x
  3. Step 3: Cross multiply
    186,218.67x = 256,987.13 × 101,341.11
  4. Step 4: Simplify right side
    186,218.67x = 26,043,361,009.91
  5. Step 5: Solve for x
    x = 26,043,361,009.91/186,218.67
  6. Step 6: Final answer
    x = 139,853.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.